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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 5.82	$ 18.84	$ 3.79
Options exercised, intrinsic value	$ 12,700	$ 56,100	$ 1,100
Remaining unrecognized stock-based compensation expense	18,300
Total stock-based compensation expense	28,661	13,546	4,542
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	4,634	$ 2,367	$ 1,211
Research and development | Internally developed software
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 3,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price as a percentage of fair value	100.00%
Exercise price as a percentage of fair value for shareholders owning specified minimum amount	110.00%
Significant shareholder threshold used for determining exercise price	10.00%
Exercise period	10 years
Weighted average period for recognition of stock-based compensation expense	1 year 8 months 12 days
Stock Options | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	25.00%
Vesting period	1 year
Stock Options | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	2.08%
Vesting period	3 years
RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Right to receive, conversion ratio	1
Remaining unrecognized stock-based compensation expense	$ 76,100
Weighted average period for recognition of stock-based compensation expense	2 years 3 months 18 days
RSU | 2009 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	25.00%
Vesting period	4 years
RSU | 2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		20.00%

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